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Decision-Making Under Uncertainty

Expected Value & Asymmetric Payoffs

Level: advancedModel #27
Description

Expected value—probability multiplied by magnitude across all possible outcomes—provides the right framework for decisions under uncertainty. The best opportunities have asymmetric payoff structures: limited downside with unlimited or disproportionate upside. Understanding this distinction transforms how you allocate resources and take risks.

Applications
Seek asymmetric bets in career, relationships, and investments. Limited downside, unlimited upside opportunities compound over time. The intern who asks for mentorship risks a "no" but could gain a career-changing relationship.
Make uncorrelated, balanced bets to achieve superior risk-adjusted returns. Don't put all resources into one outcome, even if the expected value looks good—volatility matters.
Calculate expected value explicitly for major decisions: list outcomes, assign probabilities, multiply by magnitude. The discipline of quantifying hunches exposes flawed thinking.
Judge by decision quality, not single outcomes. Good decisions with positive expected value sometimes produce bad results. Play the long game.
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